mirror of
https://github.com/lm-sensors/lm-sensors.git
synced 2026-10-01 05:52:41 +07:00
Mark M. Hoffman
87fba1c487
This patch adds the files lib/sysfs.h and lib/sysfs.c, beginning with a rewrite of the sysfs detection code (using libsyfs). In the process, I replaced two poorly named globals with better names, and moved them to sysfs.c. The sysfs detection now happens very early during library init, rather than later. The long term plan is for the two global variables to disappear anyway, as everything to do with sysfs should get moved into lib/sysfs.c. git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@3093 7894878c-1315-0410-8ee3-d5d059ff63e0
162 lines
7.5 KiB
Makefile
162 lines
7.5 KiB
Makefile
# Module.mk - Makefile for a Linux module for reading sensor data.
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# Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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# Note that MODULE_DIR (the directory in which this file resides) is a
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# 'simply expanded variable'. That means that its value is substituted
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# verbatim in the rules, until it is redefined.
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MODULE_DIR := lib
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LIB_DIR := $(MODULE_DIR)
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# The manual dirs and files
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LIBMAN3DIR := $(MANDIR)/man3
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LIBMAN3FILES := $(MODULE_DIR)/libsensors.3
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LIBMAN5DIR := $(MANDIR)/man5
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LIBMAN5FILES := $(MODULE_DIR)/sensors.conf.5
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# The main and minor version of the library
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# The library soname (major number) must be changed if and only if the interface is
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# changed in a backward incompatible way. The interface is defined by
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# the public header files - in this case they are error.h, sensors.h,
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# chips.h.
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LIBMAINVER := 3
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LIBMINORVER := 0.9
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LIBVER := $(LIBMAINVER).$(LIBMINORVER)
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# The static lib name, the shared lib name, and the internal ('so') name of
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# the shared lib.
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LIBSHBASENAME := libsensors.so
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LIBSHLIBNAME := libsensors.so.$(LIBVER)
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LIBSTLIBNAME := libsensors.a
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LIBSHSONAME := libsensors.so.$(LIBMAINVER)
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LIBTARGETS := $(MODULE_DIR)/$(LIBSTLIBNAME) $(MODULE_DIR)/$(LIBSHLIBNAME) \
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$(MODULE_DIR)/$(LIBSHSONAME) $(MODULE_DIR)/$(LIBSHBASENAME)
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LIBCSOURCES := $(MODULE_DIR)/data.c $(MODULE_DIR)/general.c \
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$(MODULE_DIR)/error.c $(MODULE_DIR)/chips.c \
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$(MODULE_DIR)/proc.c $(MODULE_DIR)/access.c \
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$(MODULE_DIR)/init.c $(MODULE_DIR)/sysfs.c
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LIBOTHEROBJECTS := $(MODULE_DIR)/conf-parse.o $(MODULE_DIR)/conf-lex.o
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LIBSHOBJECTS := $(LIBCSOURCES:.c=.lo) $(LIBOTHEROBJECTS:.o=.lo)
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LIBSTOBJECTS := $(LIBCSOURCES:.c=.ao) $(LIBOTHEROBJECTS:.o=.ao)
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LIBEXTRACLEAN := $(MODULE_DIR)/conf-parse.h $(MODULE_DIR)/conf-parse.c \
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$(MODULE_DIR)/conf-lex.c
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LIBHEADERFILES := $(MODULE_DIR)/error.h $(MODULE_DIR)/sensors.h \
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$(MODULE_DIR)/chips.h
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# How to create the shared library
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$(MODULE_DIR)/$(LIBSHLIBNAME): $(LIBSHOBJECTS)
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$(CC) -shared -Wl,-soname,$(LIBSHSONAME) -o $@ $^ -lc -lm -lsysfs
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$(MODULE_DIR)/$(LIBSHSONAME): $(MODULE_DIR)/$(LIBSHLIBNAME)
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$(RM) $@
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$(LN) $(LIBSHLIBNAME) $@
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$(MODULE_DIR)/$(LIBSHBASENAME): $(MODULE_DIR)/$(LIBSHLIBNAME)
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$(RM) $@
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$(LN) $(LIBSHLIBNAME) $@
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# And the static library
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$(MODULE_DIR)/$(LIBSTLIBNAME): $(LIBSTOBJECTS)
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$(RM) $@
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$(AR) rcvs $@ $^
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# Depencies for non-C sources
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$(MODULE_DIR)/conf-lex.c: $(MODULE_DIR)/conf-lex.l $(MODULE_DIR)/general.h \
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$(MODULE_DIR)/data.h $(MODULE_DIR)/conf-parse.h
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$(MODULE_DIR)/conf-parse.c: $(MODULE_DIR)/conf-parse.y $(MODULE_DIR)/general.h \
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$(MODULE_DIR)/data.h
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$(MODULE_DIR)/conf-parse.h: $(MODULE_DIR)/conf-parse.c
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# Include all dependency files
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INCLUDEFILES += $(LIBCSOURCES:.c=.ld) $(LIBCSOURCES:.c=.ad)
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# Special warning prevention for flex-generated files
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$(MODULE_DIR)/conf-lex.ao: $(MODULE_DIR)/conf-lex.c
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$(CC) $(ARCPPFLAGS) $(ARCFLAGS) -Wno-unused -c $< -o $@
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$(MODULE_DIR)/conf-lex.lo: $(MODULE_DIR)/conf-lex.c
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$(CC) $(LIBCPPFLAGS) $(LIBCFLAGS) -Wno-unused -c $< -o $@
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REMOVELIBST := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBDIR)/%,$(LIB_DIR)/$(LIBSTLIBNAME))
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REMOVELIBSH := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBDIR)/%,$(LIB_DIR)/$(LIBSHLIBNAME))
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REMOVELNSO := $(DESTDIR)$(LIBDIR)/$(LIBSHSONAME)
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REMOVELNBS := $(DESTDIR)$(LIBDIR)/$(LIBSHBASENAME)
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REMOVELIBHF := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBINCLUDEDIR)/%,$(LIBHEADERFILES))
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REMOVEMAN3 := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBMAN3DIR)/%,$(LIBMAN3FILES))
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REMOVEMAN5 := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(LIBMAN5DIR)/%,$(LIBMAN5FILES))
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all-lib: $(LIBTARGETS)
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user :: all-lib
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# Generate warnings if the install directory isn't in /etc/ld.so.conf
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# or if the library wasn't there before (which means ldconfig must be run).
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# Note that some ld.so's put /usr/lib and /lib first, others put them last,
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# so we can't make any assumptions.
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install-lib: all-lib
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$(MKDIR) $(DESTDIR)$(LIBDIR) $(DESTDIR)$(LIBINCLUDEDIR) $(DESTDIR)$(LIBMAN3DIR) $(DESTDIR)$(LIBMAN5DIR)
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@if [ ! -e "$(DESTDIR)$(LIBDIR)/$(LIBSHSONAME)" ] ; then \
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echo '******************************************************************************' ; \
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echo 'Warning: This is the first installation of the $(LIBSHSONAME)*' ; \
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echo ' library files in $(DESTDIR)$(LIBDIR)!' ; \
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echo ' You must update the library cache or the userspace tools may fail' ; \
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echo ' or have unpredictable results!' ; \
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echo ' Run the following command: /sbin/ldconfig' ; \
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echo '******************************************************************************' ; \
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fi
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$(INSTALL) -m 644 $(LIB_DIR)/$(LIBSTLIBNAME) $(DESTDIR)$(LIBDIR)
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$(INSTALL) -m 755 $(LIB_DIR)/$(LIBSHLIBNAME) $(DESTDIR)$(LIBDIR)
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$(LN) $(LIBSHLIBNAME) $(DESTDIR)$(LIBDIR)/$(LIBSHSONAME)
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$(LN) $(LIBSHSONAME) $(DESTDIR)$(LIBDIR)/$(LIBSHBASENAME)
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@if [ "$(DESTDIR)$(LIBDIR)" != "/usr/lib" -a "$(DESTDIR)$(LIBDIR)" != "/lib" ] ; then \
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if [ -e "/usr/lib/$(LIBSHSONAME)" -o -e "/usr/lib/$(LIBSHBASENAME)" ] ; then \
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echo '******************************************************************************' ; \
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echo 'Warning: You have at least one $(LIBSHBASENAME) library file in /usr/lib' ; \
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echo ' and the new library files are in $(DESTDIR)$(LIBDIR)!' ; \
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echo ' These old files must be removed or the userspace tools may fail' ; \
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echo ' or have unpredictable results!' ; \
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echo ' Run the following command: rm /usr/lib/$(LIBSHBASENAME)*' ; \
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echo '******************************************************************************' ; \
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fi ; \
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grep -q '^$(DESTDIR)$(LIBDIR)$$' /etc/ld.so.conf || \
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grep -q '^$(DESTDIR)$(LIBDIR)[[:space:]:,=]' /etc/ld.so.conf || \
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grep -q '[[:space:]:,]$(DESTDIR)$(LIBDIR)$$' /etc/ld.so.conf || \
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grep -q '[[:space:]:,]$(DESTDIR)$(LIBDIR)[[:space:]:,=]' /etc/ld.so.conf || \
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( echo '******************************************************************************' ; \
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echo 'Warning: Library directory $(DESTDIR)$(LIBDIR) is not in /etc/ld.so.conf!' ; \
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echo ' Add it and run /sbin/ldconfig for the userspace tools to work.' ; \
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echo '******************************************************************************' ) ; \
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fi
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$(INSTALL) -m 644 $(LIBHEADERFILES) $(DESTDIR)$(LIBINCLUDEDIR)
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$(INSTALL) -m 644 $(LIBMAN3FILES) $(DESTDIR)$(LIBMAN3DIR)
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$(INSTALL) -m 644 $(LIBMAN5FILES) $(DESTDIR)$(LIBMAN5DIR)
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user_install :: install-lib
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user_uninstall::
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$(RM) $(REMOVELIBST) $(REMOVELIBSH) $(REMOVELNSO) $(REMOVELNBS)
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$(RM) $(REMOVELIBHF) $(REMOVEMAN3) $(REMOVEMAN5)
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clean-lib:
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$(RM) $(LIB_DIR)/*.ld $(LIB_DIR)/*.ad
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$(RM) $(LIB_DIR)/*.lo $(LIB_DIR)/*.ao
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$(RM) $(LIBTARGETS) $(LIBEXTRACLEAN)
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# old versions
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$(RM) $(LIB_DIR)/$(LIBSHBASENAME).*
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clean :: clean-lib
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